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Wednesday, 11 May 2011

So in part one I introduced some of the reasons why home control hasn't been a mass-market success, here I'll discuss some of the potential uses and then cover some security points.

Uses of Home Control

To get your minds in gear, I've listed out some possible (and existing uses of home control). The idea of [email protected] will be to bring all this together. I'm guessing people are going to need to buy more network switches in their homes!

By Google open-sourcing the platform, this creates a defacto standard for people to kick-start the home control industry. If you look a bit deeper, the technology is a combination of a wireless protocol from Google and a hardware Accessory Developer Kit based on Arduino which means you can access USB devices too. Their software project is on Google Code . Arduino also have a ‘lilypad’ range for wearable applications. This could even further extend the applications for [email protected] There are some interesting Arduino projects around, including a combination door lock. I can see how Near Field Communication (NFC), touch tech fits into all of this, but not so much machine-to-machine (M2M) technology, but in theory it could easily be interfaced.

The real cleverness in all of this will be in mashing up the data and applications – mood lighting for music, intelligent context based decision making – e.g. I am the only person in the house so switch to home monitor mode when I leave. I believe this will fly because home control has been quite a popular geek project with various methods tried by people such as PSP home controllers .

Security

Clearly, this technology is a hugely attractive target to hackers, good and bad. Being able to find out what your neighbours are up to is going to mean there is a generic consumer market for attacking these systems. This is bad news for your home network.

"you are relying on the developer to get it right"

Existing problems with Android Market come down to malicious software that has slipped through and plain old bad coding from developers. With home control solutions, you are relying on the developer to get it right. Not only for security, but also for safety. This is an untested area so is probably not completely covered by regulation but I would certainly be worried about my oven accidentally over-cooking something by 12 hours. Many of the goods that are produced with wireless control are going to have their own local safety interlocks but an intentional malicious attack or exploit to vulnerabilities with particular manufacturers could cause chaos. Suddenly your house has become part of critical national infrastructure! Imagine an attacker turning everything on in every house in the UK that was connected? It could easily bring down the national grid. The existence of a botnet of houses could be used to blackmail governments. Wireless, device and perimeter security are the main issues that need to be considered. A lot of this technology is built around the web, which in my view is simply not secure, nor web-runtimes robust enough for these kinds of critical applications.

At a much lower level, if burglars could remotely access your home control system, they could shut off all your security and lights enabling a much easier burglary. Conversely, it can be argued that the user is in much more control, so if their house is burgled in the middle of the day (the majority are), the user can be alerted immediately. This in itself may not be enough to prevent the burglary, but the simple fact that this function exists increases the chance of the burglar being caught. The deterrent that this creates could actually reduce burglary.

One other low level crime which could increase is handset theft. More people lose phones than have them stolen, but by putting home control onto the phone (perhaps it's an NFC lock to the house too), you are making the user much more of a target.

I could go on and talk about other things such as further loss of privacy - think about the mountain of data Google will be sat on about your habits. There are some other projects which are studying this area - the internet of things. The EU-funded webinos project is also looking at the dangers of connecting real, physical things to the internet and how that can be secured, it'll be an interesting one to watch. Wait for Google to make their next move in this space - automotive.

1 comment:

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